1_
Filter array of strings - only strings starting with 'd' (2 syntax options)
2_
Order array of strings by second and then first characters of each element (2 syntax options)
3_
Select people from IT department (2 syntax options)
4_
Group and list people by department (2 syntax options)
5_
Calculate average age for each department (2 syntax options)
6_
Calculate salary average for department and age (Procedural syntax)
7_
Select distinct names and departments (using grouping)
8_
Select disctinct set (2 syntax options)
9_
First, FirstOrDefault, Single
10_
How to write for each in LINQ
11_
Join Person and Department classes (2 syntax options)
12_
Left outer join for Person and Department classes
13_
Add new person to the List of person or combine 2 lists (3 options)
14_
How SelectMany works
15_
How Zip in works
16_
Calculate factorial. How to seed initial state.
17_
Select object from list based on the object type
18_
Sort list of sss_N{N} strings by N{N} and select N{N} > 2
19_
How to debug LINQ query